Home / 25,180.36-34,746.48-13,849.66

Finding the Fourth Proportional to 25,180.36, 34,746.48 and 13,849.66

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Solution

The fourth proportional to 25,180.36, 34,746.48 and 13,849.66 is: 19,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.36 : 34,746.48 = 13,849.66 : x
  2. Step 2: Convert to fraction form
    25,180.36/34,746.48 = 13,849.66/x
  3. Step 3: Cross multiply
    25,180.36x = 34,746.48 × 13,849.66
  4. Step 4: Simplify right side
    25,180.36x = 481,226,934.20
  5. Step 5: Solve for x
    x = 481,226,934.20/25,180.36
  6. Step 6: Final answer
    x = 19,111.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.